From 54418c5e69c5085750762e2bd3220ae7a6808471 Mon Sep 17 00:00:00 2001 From: Diva Canto Date: Thu, 23 Dec 2010 10:05:08 -0800 Subject: Removed unused code -- this was the previous version of UDP texture sending, which now lives entirely in LindenUDP space. --- .../TextureDownload/UserTextureDownloadService.cs | 265 --------------------- 1 file changed, 265 deletions(-) delete mode 100644 OpenSim/Region/CoreModules/Agent/TextureDownload/UserTextureDownloadService.cs (limited to 'OpenSim/Region/CoreModules/Agent/TextureDownload/UserTextureDownloadService.cs') diff --git a/OpenSim/Region/CoreModules/Agent/TextureDownload/UserTextureDownloadService.cs b/OpenSim/Region/CoreModules/Agent/TextureDownload/UserTextureDownloadService.cs deleted file mode 100644 index 19f0f90..0000000 --- a/OpenSim/Region/CoreModules/Agent/TextureDownload/UserTextureDownloadService.cs +++ /dev/null @@ -1,265 +0,0 @@ -/* - * Copyright (c) Contributors, http://opensimulator.org/ - * See CONTRIBUTORS.TXT for a full list of copyright holders. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of the OpenSimulator Project nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -using System; -using System.Collections.Generic; -using System.Reflection; -using log4net; -using OpenMetaverse; -using OpenSim.Framework; -using OpenSim.Framework.Communications.Limit; -using OpenSim.Framework.Statistics; -using OpenSim.Region.Framework.Interfaces; -using OpenSim.Region.Framework.Scenes; - -namespace OpenSim.Region.CoreModules.Agent.TextureDownload -{ - /// - /// This module sets up texture senders in response to client texture requests, and places them on a - /// processing queue once those senders have the appropriate data (i.e. a texture retrieved from the - /// asset cache). - /// - public class UserTextureDownloadService - { -// private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); - - /// - /// True if the service has been closed, probably because a user with texture requests still queued - /// logged out. - /// - private bool closed; - - /// - /// We will allow the client to request the same texture n times before dropping further requests - /// - /// This number includes repeated requests for the same texture at different resolutions (which we don't - /// currently handle properly as far as I know). However, this situation should be handled in a more - /// sophisticated way. - /// -// private static readonly int MAX_ALLOWED_TEXTURE_REQUESTS = 5; - - /// - /// XXX Also going to limit requests for found textures. - /// -// private readonly IRequestLimitStrategy foundTextureLimitStrategy -// = new RepeatLimitStrategy(MAX_ALLOWED_TEXTURE_REQUESTS); - -// private readonly IClientAPI m_client; - private readonly Scene m_scene; - - /// - /// Texture Senders are placed in this queue once they have received their texture from the asset - /// cache. Another module actually invokes the send. - /// -// private readonly OpenSim.Framework.BlockingQueue m_sharedSendersQueue; - - /// - /// Holds texture senders before they have received the appropriate texture from the asset cache. - /// - private readonly Dictionary m_textureSenders = new Dictionary(); - - /// - /// We're going to limit requests for the same missing texture. - /// XXX This is really a temporary solution to deal with the situation where a client continually requests - /// the same missing textures - /// -// private readonly IRequestLimitStrategy missingTextureLimitStrategy -// = new RepeatLimitStrategy(MAX_ALLOWED_TEXTURE_REQUESTS); - - public UserTextureDownloadService( - IClientAPI client, Scene scene, OpenSim.Framework.BlockingQueue sharedQueue) - { -// m_client = client; - m_scene = scene; -// m_sharedSendersQueue = sharedQueue; - } - - /// - /// Handle a texture request. This involves creating a texture sender and placing it on the - /// previously passed in shared queue. - /// - /// - public void HandleTextureRequest(TextureRequestArgs e) - { - - //TextureSender.TextureSender textureSender; - - //TODO: should be working out the data size/ number of packets to be sent for each discard level - //if ((e.DiscardLevel >= 0) || (e.Priority != 0)) - //{ - //lock (m_textureSenders) - //{ - //if (m_textureSenders.TryGetValue(e.RequestedAssetID, out textureSender)) - //{ - // If we've received new non UUID information for this request and it hasn't dispatched - // yet, then update the request accordingly. - // textureSender.UpdateRequest(e.DiscardLevel, e.PacketNumber); - //} - //else - //{ - // m_log.DebugFormat("[TEXTURE]: Received a request for texture {0}", e.RequestedAssetID); - - //if (!foundTextureLimitStrategy.AllowRequest(e.RequestedAssetID)) - //{ - // m_log.DebugFormat( - // "[TEXTURE]: Refusing request for {0} from client {1}", - // e.RequestedAssetID, m_client.AgentId); - - //return; - //} - //else if (!missingTextureLimitStrategy.AllowRequest(e.RequestedAssetID)) - //{ - // if (missingTextureLimitStrategy.IsFirstRefusal(e.RequestedAssetID)) - // { - // if (StatsManager.SimExtraStats != null) - // StatsManager.SimExtraStats.AddBlockedMissingTextureRequest(); - - // Commenting out this message for now as it causes too much noise with other - // debug messages. - // m_log.DebugFormat( - // "[TEXTURE]: Dropping requests for notified missing texture {0} for client {1} since we have received more than {2} requests", - // e.RequestedAssetID, m_client.AgentId, MAX_ALLOWED_TEXTURE_REQUESTS); - // } - - // return; - //} - - m_scene.StatsReporter.AddPendingDownloads(1); - - //TextureSender.TextureSender requestHandler = new TextureSender.TextureSender(m_client, e.DiscardLevel, e.PacketNumber); - //m_textureSenders.Add(e.RequestedAssetID, null); - - m_scene.AssetService.Get(e.RequestedAssetID.ToString(), this, TextureReceived); - - - } - - protected void TextureReceived(string id, Object sender, AssetBase asset) - { - if (asset != null) - TextureCallback(asset.FullID, asset); - } - - /// - /// The callback for the asset cache when a texture has been retrieved. This method queues the - /// texture sender for processing. - /// - /// - /// - public void TextureCallback(UUID textureID, AssetBase texture) - { - //m_log.DebugFormat("[USER TEXTURE DOWNLOAD SERVICE]: Calling TextureCallback with {0}, texture == null is {1}", textureID, (texture == null ? true : false)); - - // There may still be texture requests pending for a logged out client - if (closed) - return; - - /* - lock (m_textureSenders) - { - TextureSender.TextureSender textureSender; - if (m_textureSenders.TryGetValue(textureID, out textureSender)) - { - // XXX It may be perfectly valid for a texture to have no data... but if we pass - // this on to the TextureSender it will blow up, so just discard for now. - // Needs investigation. - if (texture == null || texture.Data == null) - { - if (!missingTextureLimitStrategy.IsMonitoringRequests(textureID)) - { - missingTextureLimitStrategy.MonitorRequests(textureID); - - // m_log.DebugFormat( - // "[TEXTURE]: Queueing first TextureNotFoundSender for {0}, client {1}", - // textureID, m_client.AgentId); - } - - ITextureSender textureNotFoundSender = new TextureNotFoundSender(m_client, textureID); - EnqueueTextureSender(textureNotFoundSender); - } - else - { - if (!textureSender.ImageLoaded) - { - textureSender.TextureReceived(texture); - EnqueueTextureSender(textureSender); - - foundTextureLimitStrategy.MonitorRequests(textureID); - } - } - - //m_log.InfoFormat("[TEXTURE] Removing texture sender with uuid {0}", textureID); - m_textureSenders.Remove(textureID); - //m_log.InfoFormat("[TEXTURE] Current texture senders in dictionary: {0}", m_textureSenders.Count); - } - else - { - m_log.WarnFormat( - "[TEXTURE]: Got a texture uuid {0} with no sender object to handle it, this shouldn't happen", - textureID); - } - } - */ - } - - /// - /// Place a ready texture sender on the processing queue. - /// - /// -// private void EnqueueTextureSender(ITextureSender textureSender) -// { -// textureSender.Cancel = false; -// textureSender.Sending = true; -// -// if (!m_sharedSendersQueue.Contains(textureSender)) -// { -// m_sharedSendersQueue.Enqueue(textureSender); -// } -// } - - /// - /// Close this module. - /// - internal void Close() - { - closed = true; - - lock (m_textureSenders) - { - foreach (TextureSender.TextureSender textureSender in m_textureSenders.Values) - { - textureSender.Cancel = true; - } - - m_textureSenders.Clear(); - } - - // XXX: It might be possible to also remove pending texture requests from the asset cache queues, - // though this might also be more trouble than it's worth. - } - } -} -- cgit v1.1